And john hamilton



(No Model.)

B. T. GLENN'AN 82: J. HAMILTON.

PNEUMATIC BEER PUMP.

370.420.052. I PatentedJan.Z8,1890.

w: K IN W Z/ .44 i wzx UNITED STATES PATENT OFFICE.

EDlVARD T. GLENNAN, OF NEWV YORK, AND JOHN HAMILTON, OF LONG ISLAND CITY, NEW YORK.

PNEUMATIC BEER-PUMP.

SPECIFICATION forming part of Letters Patent No. 420,052, dated January 28, 1890.-

Application filed April 26, 1889. Serial No. 308,687. (No model.)

To all whom it may concern:

Be it known that we, EDWARD T. GLENNAN, of New York, and JOHN HAMILTON, of Long Island City, both in the State of New York,

citizens of the United States, have invented a new and useful Pneumatic Beer and Fluid Pump, of which the following is a specificat-ion.

Our invention consists of the various im- :0 provements fully set forth in the specification and claim.

In the accompanying drawing, a front View of the pump with three connecting receivingchambers, two of which are in section, is

shown.

A represents an air-suction pump, and B a chamber from which the air is drawn out by the action of the pump A to produce a vacuum in said chamber B.

O is a pipe connecting the vacuum-chamber B with a pipe D, which latteris connected through branch pipes D with the receivingchambers E. i The branch pipes D are each provided with a cook or valve F, and enter a short distance into the chambers E, where the ends of the same may be closed by an india-rubber or other ball J, of a light substance, to prevent the beer, ale, or other fluid from entering said pipes whenever the 0 fluid rises in the chamber E above the end of these pipes. These chambers E are connected through pipes N with the barrels H, passing into the same nearly to their bottom, and are provided with suitable check or non-return valves G. The upper ends of the pipes N 5 pass some distance into the chambers E. The chambers E are provided with dischargecocks L.

The pipes D D and chambers E may be surroundedby a suitable casing M, with snit- 4o .able openings to give access to the handles of the cooks F and L, or the latter may be arranged to come outside of this casing.

The operation is as follows: By means of the pump A the air is drawn outof the cham- 5 her B and pipes C and D, so as to create a vacuum in the same. lVhenever any liquid contained in either of the barrels H is to be drawn the corresponding cock F is opened, forming thus a communication between its chamber E and the vacuum-chamber B, whereby a partial vacuum will be produced in said chamber E, and thus the fluid from this barrel H is drawn into its chamber E, from which it can be discharged through the cock L.

What we claim is- The combination of air-pump A, vacuumchamber B, receiving-chamber E with the barrel H, and suitable pipes to connect the same,-as and for the purpose described.

EDWARD GLENNAN. JOHN HAMILTON.

.' Witnesses:

HENRY E. ROEDER, F. v. BRIEsEN. 

